gcc/testsuite/gcc.c-torture/compile/pr69102.c

   1 /* { dg-options "-Og -fPIC -fschedule-insns2 -fselective-scheduling2 -fno-tree-fre --param=max-sched-extend-regions-iters=10" } */
   2 /* { dg-require-effective-target scheduling } */
   3 /* { dg-require-effective-target fpic } */
   4 void bar (unsigned int);
   5
   6 void
   7 foo (void)
   8 {
   9   char buf[1] = { 3 };
  10   const char *p = buf;
  11   const char **q = &p;
  12   unsigned int ch;
  13   switch (**q)
  14     {
  15     case 1:  ch = 5; break;
  16     case 2:  ch = 4; break;
  17     case 3:  ch = 3; break;
  18     case 4:  ch = 2; break;
  19     case 5:  ch = 1; break;
  20     default: ch = 0; break;
  21     }
  22   bar (ch);
  23 }